git.squeep.com Git - akkoma/blob - lib/pleroma/web/xml/xml.ex

   1 defmodule Pleroma.Web.XML do
   2   require Logger
   3
   4   def string_from_xpath(_, :error), do: nil
   5
   6   def string_from_xpath(xpath, doc) do
   7     try do
   8       {:xmlObj, :string, res} = :xmerl_xpath.string('string(#{xpath})', doc)
   9
  10       res =
  11         res
  12         |> to_string
  13         |> String.trim()
  14
  15       if res == "", do: nil, else: res
  16     catch
  17       _e ->
  18         Logger.debug("Couldn't find xpath #{xpath} in XML doc")
  19         nil
  20     end
  21   end
  22
  23   def parse_document(text) do
  24     try do
  25       {doc, _rest} =
  26         text
  27         |> :binary.bin_to_list()
  28         |> :xmerl_scan.string(quiet: true)
  29
  30       doc
  31     rescue
  32       _e ->
  33         Logger.debug("Couldn't parse XML: #{inspect(text)}")
  34         :error
  35     catch
  36       :exit, _error ->
  37         Logger.debug("Couldn't parse XML: #{inspect(text)}")
  38         :error
  39     end
  40   end
  41 end